1313203320113 has 4 divisors (see below), whose sum is σ = 1355564717568. Its totient is φ = 1270841922660.

The previous prime is 1313203320073. The next prime is 1313203320211. The reversal of 1313203320113 is 3110233023131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313203320113 - 2³⁰ = 1312129578289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313203320613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21180698681 + ... + 21180698742.

It is an arithmetic number, because the mean of its divisors is an integer number (338891179392).

Almost surely, 2^{1313203320113} is an apocalyptic number.

It is an amenable number.

1313203320113 is a deficient number, since it is larger than the sum of its proper divisors (42361397455).

1313203320113 is an equidigital number, since it uses as much as digits as its factorization.

1313203320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42361397454.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313203320113 its reverse (3110233023131), we get a palindrome (4423436343244).

The spelling of 1313203320113 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred twenty thousand, one hundred thirteen".